Home / 2,861.04-4,279.70-2,686.08

Finding the Fourth Proportional to 2,861.04, 4,279.70 and 2,686.08

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Solution

The fourth proportional to 2,861.04, 4,279.70 and 2,686.08 is: 4,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.04 : 4,279.70 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    2,861.04/4,279.70 = 2,686.08/x
  3. Step 3: Cross multiply
    2,861.04x = 4,279.70 × 2,686.08
  4. Step 4: Simplify right side
    2,861.04x = 11,495,603.15
  5. Step 5: Solve for x
    x = 11,495,603.15/2,861.04
  6. Step 6: Final answer
    x = 4,017.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.